扫黄打非 sǎohuángdǎfēi to crack down on pornography and illegal publications Origin Definitions Defs Strokes Stroke Words Sentences Sents 扫黄 掃黃 sǎohuáng to crack down on pornography To sweep away or eliminate pornography and illegal sexual activities such as prostitution; to campaign against obscene materials.打 dǎ verb to hit to strike; to knock; to beat; to break非 fēi wrong mistake; error; a wrong or evil deed; incorrect as opposed to 是 shì